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Motion in a Straight Line

Abstract

Motion in a straight line can be characterized by parameters such as position, velocity, acceleration and their time dependence. A bicycle will be used for these measurements and together with the rider the system will be treated as a point mass obeying Newton's laws of motion. The primary data collected will be the time that it takes a rider to reach a measured distance. This data will be used to provide information about the velocity and acceleration of the system as a function of time. From a knowledge of the acceleration at any given time and the mass of the bike-rider system, the net force acting on the system can be determined. After changing the air-resistance of the bike by adding a flat plate to the handlebars, the above quantities can be redetermined. Conclusions about the effect of air resistance on bicycle performance can be drawn.